Taking their place on the 40-man roster are outfielder Jaff Decker and right-handed pitcher Miles Mikolas, who were acquired from the San Diego Padres in a trade for minor-league outfielder Alex Dickerson.

Jones, 32, was a starter for the Pirates until they traded for Justin Morneau on Aug. 31. Jones was eligible for arbitration after a 2013 season in which he made $4.5 million while batting .233 with 15 homers and 51 RBI in 144 games.

Decker, 23, hit .286 with 23 doubles, 10 home runs and 40 RBI in 105 games with Triple-A Tucson last season. The left-handed-hitting Decker was 4-for-26 with a homer and two RBI in 13 games with the Padres.

Mikolas, 25, spent most of 2013 with Tucson, where he went 4-2 with 26 saves and a 3.25 ERA in 54 games. He made two appearances with the Padres, pitching 1 2/3 scoreless innings.

Dickerson, 23, hit .288 with 17 home runs and 68 RBI in 126 games with Altoona, and was named the Eastern League Rookie of the Year. He was a third-round draft pick by Pittsburgh in 2011.

Mark MelanconPosition: PitcherAge: 29 in March 20142013 stats: Had a 1.39 ERA and 70 strikeouts in 71 inningsStatus: Agreed to a one-year deal worth $2.59 million to avoid salary arbitration

Gaby SanchezPosition: First baseAge: 302013 stats: Hit .254 with seven home runs and 36 RBIs in 136 gamesStatus: Agreed to a one-year deal worth $2.3 million to avoid salary arbitration

Travis SniderPosition: Right fieldAge: 26 in February 20142013 stats: Hit .215 with five home runs and 25 RBIs in 111 gamesStatus: Agreed to a one-year deal worth $1.2 million to avoid salary arbitration

John BuckPosition: CatcherAge: 34 in July 20142013 stats: Played in nine games with the Pirates after joining the team in late August in a trade with the MetsStatus: Signed a one-year deal with the Seattle Mariners worth $1 million

Justin MorneauPosition: First baseAge: 33 in May 20142013 stats: Hit .260 with no home runs and three RBIs after being traded to the Pirates in late August.Status: Signed two-year deal with Colorado for $12.5 million

Clint BarmesPosition: Short stopAge: 35 in March 20142013 stats: Hit .211 with five home runs and 23 RBIsStatus: Agreed to a 1-year, $2 million deal to stay with the Pirates in 2014.

The Pirates reached a deal with right-handed pitcher Edinson Volquez on a one-year contract for $5 million.

Charlie MortonPosition: PitcherAge: 302013 stats: Went 7-4 with a 3.26 ERA in 20 games after coming back from Tommy John surgeryStatus: Signed a three-year contract extension with a club option for 2017 to remain with the Pirates.

Michael McKenryPosition: CatcherAge: 29 in March 20142013 stats: Hit .217 in 41 games before knee surgery shut him down for the seasonStatus: Was eligible for arbitration; designated for assignment after Pirates acquired catcher Chris Stewart from Yankees.Signed with Colorado for a minor-league contract with invitation to spring training.

Garrett JonesPosition: Right field/First baseAge: 33 in June 20142013 stats: Hit .233 with 15 home runs and 51 RBIs 144 gamesStatus: The Pirates designated Jones, who was arbitration eligible, for assignment after trading for outfielder Jaff Decker from the Padres. He then signed a two-year deal with the Marlins.

Marlon ByrdPosition: Right fieldAge: 362013 stats: Hit .318 with three home runs and 17 RBIs after joining the Pirates via trade in late August.Status: Signed a two-year deal with the Philadelphia Phillies for $16 million

Wandy Rodriguez Position: PitcherAge: 35 in January 20142013 stats: 6-4 with a 3.59 ERA before a forearm injury shut him down for the season.Status: Exercised $13 million player option to return to Pirates in 2014.

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